What does the word "implement" mean?

If someone wants to funds to you stick around it means they’re going to give you money

While looking at ads on a professional job site, justin saw this job posting: "the employee should have a degree in human behavior and at least 5 years experience in behavioral modifications. we are also looking for an employee who is good at crisis divergence. typically employees will spend a lot of time supporting others."

What did mark twain contribute to the history of the novel? select all that apply.